Capristo Exhaust system with silencers and exhaust flap,Full carbon fascia frame, full carbon rear diffuser, stainless steel elements,Mounting material, programmable controller CES-3, without Cat, with ECE Alfa Romeo 4C Engine: Information: with silencers and exhaust flap,Full carbon fascia frame, full carbon rear diffuser, stainless steel elements,Mounting material, programmable controller CES-3, without Cat, with ECE Homologation: street legal Part No.:CAP-10-AR-040-10-003